Who Is the Enemy?
Books dedicated to security break attackers down into smaller, more specific groups and include various edge cases, but that’s not what you’re here for. I lump potential attackers into four groups: script kiddies, botnets, disaffected users, and skilled attackers. These categories are easily understood and include 99 percent of all the attackers you’re likely to encounter.
Script Kiddies
The most common type of attackers, script kiddies, are not sysadmins. They are amateurs who download attack scripts and go looking for poorly defended, vulnerable systems.
Script kiddies are easy to defend against: Keep your software up-to-date and follow good computing practices. Like locusts, script kiddies are easy to squash, but there ...
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